The ENR California Top Design Firms list, published annually in September, ranks the largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.

The Top Contractors list ranks general contractors, both publicly and privately held, based on construction contracting-specific revenue.

The Top Contractors list, published annually, ranks the general contractors, both publicly and privately held, based on construction contracting-specific revenue.

ENR California has produced a ranking of top green design firms based on the volume of sustainable and "Green" projects they have worked on.

ENR California has produced a ranking of top 100 green contractors based on the volume of sustainable and "Green" projects they have worked on.